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Zarlink offers high-voltage process for foundry work

Posted: 19 Dec 2002 ?? ?Print Version ?Bookmark and Share

Keywords:zarlink? foundry service? analog chips?

Zarlink Semiconductor Inc. has introduced a commercial foundry service for producing analog chips based on its high-performance, high-voltage process.

Zarlink's so-called HJV process builds high-speed, high-voltage analog chips on low-cost silicon substrates for such consumer and telecommunications applications such as DVD players, digital video recorders, and DSL modems, the company said.

Drawing on Zarlink's expertise in complementary silicon bipolar technology, HJV is a double-polysilicon, triple-metal technology with fully complementary npn- and pnp-transistor structures. To overcome traditional tradeoffs between high-speed and high-voltage operation, the process employs what the company calls "advanced fabrication techniques, including state-of-the-art epitaxy, high-energy implantation, deep trench isolation, and rapid thermal processing."

With a Vce of 5V, the Ft or operating speed of both transistor types is 12GHz, and their maximum oscillation frequency is 25GHz. Both transistor types also have collector-emitter breakdown voltages typically greater than 12V, the company said.

The process is supported by a design kit featuring a suite of "well-characterized, high-quality analog design components," the company said. These include npn/pnp devices with currents ranging from 0.1mA to 40mA, Schottky diodes, three types of polysilicon resistors, intermetal capacitors and inductors on top-level metal.

The HJV foundry service offers multi-project wafer processing with 18-day cycle times from receipt of masks to delivery of electrically conformant wafers.

- Patrick Mannion

EE Times

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